#CA2B19
Closest named color: Sinopia (#BB3E03). oklch(54.7% 0.197 30.5), rgb(202, 43, 25).
Aa
White text reads best on this color (5.42:1).
About this color
#CA2B19 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.197 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.039 away. White text reads best on it, at 5.42:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.87:1 |
| White text | 5.42:1 |
Values
| HEX | #CA2B19 |
| RGB | rgb(202, 43, 25) |
| HSL | hsl(6, 78%, 45%) |
| OKLCH | oklch(54.7% 0.197 30.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #CA2B19 | 5.42:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #CA2B19 | 3.87:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #CA2B19 text on white | 5.42:1 | AA | Lc 75.4 | Fine for body text |
| #CA2B19 text on black | 3.87:1 | AA large text | Lc -26.3 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F8CEC6
oklch(88.5% 0.049 30.7)
-
Step 300
300
#F4AB9E
oklch(80.8% 0.089 30.4)
-
Step 400
400
#EC7B69
oklch(70.7% 0.143 30.4)
-
Step 500
500
#E25340
oklch(63.1% 0.182 30.4)
-
Step 600
600 (this color)
#CA2B19
oklch(54.7% 0.197 30.5)
-
Step 700
700
#B11E0E
oklch(49.1% 0.183 30.5)
-
Step 800
800
#901D10
oklch(42.7% 0.152 30.5)
-
Step 900
900
#742016
oklch(37.7% 0.119 30.2)
-
Step 950
950
#44150E
oklch(27% 0.074 30.9)
#CA2B19 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5F5414 | 0.211 |
| Deuteranopia (no green cones) | #85760B | 0.191 |
| Tritanopia (no blue cones) | #DF0029 | 0.047 |
| Achromatopsia (no color) | #6A6A6A | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA2B19
#CA2B19
oklch(54.7% 0.197 30.5)
- #007F8F
#007F8F
oklch(54.7% 0.095 210.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CA2B19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.039
- Cherry #CF0234 ΔE 0.042
- Dull Red #BB3F3F ΔE 0.042
- Scarlet #BE0119 ΔE 0.046
- Lipstick Red #C0022F ΔE 0.050
- Brick Orange #C14A09 ΔE 0.051
- Crimson #DC143C ΔE 0.052
- Firebrick #B22222 ΔE 0.054
Use #CA2B19 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.